Height adjustable desk



FIG. 1 is a perspective view of a height adjustable desk of embodimentone, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a perspective view of a height adjustable desk of embodimenttwo;

FIG. 7 is a bottom view thereof;

FIG. 8 is a top view thereof;

FIG. 9 is a left side view thereof; and,

FIG. 10 is a right side view thereof.

CLAIM I claim the ornamental design for a height adjustable desk, asshown and described.